Prior Authorization: A Step-by-Step Guide to a Workflow That Actually Works

Prior authorization is the single largest source of administrative delay in U.S. healthcare. Physicians spend an average of 14 hours per week on PAs, most denials are reversed on appeal, and patients routinely abandon care while waiting. The fix isn't a smarter portal - it's a properly staffed PA workflow.

Here's exactly how to run prior authorization so it doesn't slow your practice down.

Step 1: Build a payer-specific requirements library

Every payer has different documentation requirements for the same service. A virtual prior authorization coordinator builds a living library of those requirements: which CPT codes require auth, what clinical notes each payer wants, what turnaround you can expect, and what the appeal pathway looks like.

This library is the single most valuable asset a PA team can build. Without it, every auth is a fresh investigation. With it, first-pass approval rates climb to 85–95%.

Step 2: Submit complete and submit fast

The two leading causes of PA denials are missing documentation and incorrect codes. Both are fully preventable. A trained PA coordinator pulls the required clinical notes, attaches imaging or labs as needed, selects the correct CPT and ICD-10 codes, and submits the request the same day the order is placed.

Fast submission matters because the clock starts the moment your physician orders the service. A 48-hour delay between order and submission becomes a 48-hour delay in patient care.

Step 3: Track every auth in a single dashboard

PAs that go silent in payer portals are the ones that turn into care delays. A virtual PA coordinator maintains a tracker with submission date, expected response date, status, and patient. Anything past its expected response date gets escalated the same day.

When patients call asking about their MRI or specialist referral, your team can give them an accurate update in 30 seconds - instead of putting them on hold while someone digs through the portal.

Step 4: Appeal aggressively

Most denials are reversed on appeal - but only if someone actually files. A trained PA coordinator drafts the appeal letter, attaches the supplemental clinical documentation, and submits within 24 hours of the denial.

Practices that appeal consistently recover 60–80% of initial denials. Practices that don't appeal lose that revenue and often lose the patient too.

Step 5: Close the loop with the patient

When a PA is approved, the patient should hear from your team within 24 hours with scheduling next steps. When it's denied, they should hear within the same day with an explanation of next steps. Silence is the fastest way to lose patients to a competitor who returned their call.